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Home >> Chrysler >> 2021 >> Voyager LX, Gas >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Audio (Radio) - DTCS B1400-11 To B210A-16 >> Diagnosis And Testing >> B210A-00-System Voltage Low >> Diagnostic Test

Diagnostic Test

  1. READ AND RECORD DTCS AND ENVIRONMENTAL DATA - ERASE DTCS AND CHECK FOR DTC TO RETURN 
    1. With the scan tool, read DTCs in all Electronic Control Units (ECUs) and record on the repair order.
    2. With the scan tool, run a vehicle Scan Report, or record the Environmental Data related to the DTCs.
    3. With the scan tool, erase all DTCs.
    4. Turn the ignition off for a minimum of 10.0 seconds.
    5. Turn the ignition on.
    6. Using the saved DTC information recorded on the repair order and the When Monitored Conditions, operate the vehicle in the conditions that set the DTC.
    7. With the scan tool, read DTCs.

    Did the DTC return?

    Yes 

    • Go To  2

    No 

  2. CHECK FOR BATTERY OR CHARGING SYSTEM DTCS IN THE POWERTRAIN CONTROL MODULE (PCM) 
    1. Refer to the saved DTC information recorded on the repair order.

      Were any battery or charging system DTCs present in the PCM?

      Yes 

      No 

      • Go To  3
  3. CHECK FOR VOLTAGE RELATED DTC'S IN THE RADIO 
    NOTE:

    NOTE: Be certain that a discharged or faulty vehicle battery is corrected prior to testing voltage related DTC's at the Radio. 

    Refer to the saved DTC information recorded on the repair order.

    Were any voltage related DTCs present in the Radio?

    Yes 

    • Refer to the Audio System wiring diagram and perform the Circuit Load Testing Procedure for Radio B+ feed and Ground.

    No 

    • Go To  4
  4. CHECK RELATED HARNESS CONNECTIONS 
    1. Disconnect all RADIO harness connectors.
    2. Disconnect all related in-line harness connections (if equipped).
    3. Disconnect the related component harness connectors.
    4. Inspect harness connectors, component connectors, and all male and female terminals for the following conditions:
      • Proper connector installation.
      • Damaged connector locks.
      • Corrosion.
      • Other signs of water intrusion.
      • Weather seal damage (if equipped).
      • Bent terminals.
      • Overheating due to a poor connection (terminal may be discolored due to excessive current draw).
      • Terminals that have been pushed back into the connector cavity.
      • Perform a terminal drag test on each connector terminal to verify proper terminal tension.

      Repair any conditions that are found.

    5. Reconnect all RADIO harness connectors. Be certain that all harness connectors are fully seated and the connector locks are fully engaged.
    6. Reconnect all in-line harness connectors (if equipped). Be certain that all connectors are fully seated and the connector locks are fully engaged.
    7. Reconnect all related component harness connectors. Be certain that all connectors are fully seated and the connector locks are fully engaged.
    8. With the scan tool, erase DTCs.
    9. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
    10. With the scan tool, read RADIO DTCs.

      Did the DTC return?

      Yes 

      • Replace the RADIO in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Repairing the wiring or harness connections corrected the condition.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
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